Geodesic
High-frequency magnetic susceptibility of an antiferromagnet with magnetic anisotropy of the easy-plane type
Teoretičeskaâ i matematičeskaâ fizika, Tome 45 (1980) no. 1, pp. 132-138 Cet article a éte moissonné depuis la source Math-Net.Ru

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On the basis of the representation of spin operators in terms of boson operators introduced by V. G. Baryakhtar and D. A. Yablonsky the hamiltonian of magnon-magnon interactions of an easy-plane antiferromagnet is studied. It is shown that the amplitudes of the processes including the Goldstone magnons satisfy the Adler principle. Tensor of high-frequency magnetic susceptibility is calculated. 
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V. L. Sobolev; B. I. Khudik. High-frequency magnetic susceptibility of an antiferromagnet with magnetic anisotropy of the easy-plane type. Teoretičeskaâ i matematičeskaâ fizika, Tome 45 (1980) no. 1, pp. 132-138. http://geodesic.mathdoc.fr/item/TMF_1980_45_1_a12/

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